Dyfyniad APA

Darley, J. M., Glucksberg, S., & Kinchla, R. A. (1988). Psychology (Fourth edition.). Prentice-Hall, Inc.

Dyfyniad Arddull Chicago

Darley, John M., Sam Glucksberg, and Ronald A. Kinchla. Psychology. Fourth edition. Englewood Cliffs, New Jersey: Prentice-Hall, Inc, 1988.

Dyfyniad MLA

Darley, John M., et al. Psychology. Fourth edition. Prentice-Hall, Inc, 1988.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.